about summary refs log tree commit diff
path: root/elf/tst-nodelete-opened.c
diff options
context:
space:
mode:
Diffstat (limited to 'elf/tst-nodelete-opened.c')
-rw-r--r--elf/tst-nodelete-opened.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/elf/tst-nodelete-opened.c b/elf/tst-nodelete-opened.c
new file mode 100644
index 0000000000..43b00fa16d
--- /dev/null
+++ b/elf/tst-nodelete-opened.c
@@ -0,0 +1,67 @@
+/* Verify that an already opened DSO opened agained with RTLD_NODELETE actually
+   sets the NODELETE flag.
+
+   Copyright (C) 2015 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <dlfcn.h>
+#include <stdio.h>
+
+int
+do_test (void)
+{
+  void *h1 = dlopen ("$ORIGIN/tst-nodelete-opened-lib.so", RTLD_LAZY);
+  if (h1 == NULL)
+    {
+      printf ("h1: failed to open DSO: %s\n", dlerror ());
+      return 1;
+    }
+
+  void *h2 = dlopen ("$ORIGIN/tst-nodelete-opened-lib.so",
+		     RTLD_LAZY | RTLD_NODELETE);
+  if (h2 == NULL)
+    {
+      printf ("h2: failed to open DSO: %s\n", dlerror ());
+      return 1;
+    }
+
+  int *foo = dlsym (h2, "foo_var");
+  if (foo == NULL)
+    {
+      printf ("failed to load symbol foo_var: %s\n", dlerror ());
+      return 1;
+    }
+
+  if (dlclose (h1) != 0)
+    {
+      printf ("h1: dlclose failed: %s\n", dlerror ());
+      return 1;
+    }
+
+  if (dlclose (h2) != 0)
+    {
+      printf ("h2: dlclose failed: %s\n", dlerror ());
+      return 1;
+    }
+
+  printf ("foo == %d\n", *foo);
+
+  return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"